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Title: | Regularized Problems in Image Processing Regularizovani problemi u obradi slika |
Authors: | Lukić Tibor | Keywords: | Digital image processing, energy-minimization methods, optimization methods, spectral gradient, denoising, discrete tomography, defuzzi cation;Digitalna obrada slika, energo-minimizacioni postupci, optimizacioni postupci, spektralni gradijent, otklanjanje suma, diskretna tomogra ja, defazi kacija | Issue Date: | 30-Dec-2011 | Publisher: | Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu University of Novi Sad, Faculty of Technical Sciences at Novi Sad |
Abstract: | <p>The topic of this thesis is the application of energyminimization methods in digital image processing. The considered methods are based on the minimization of energy functions which combine a quadratic data tting and a regularization term. New methods are proposed for problems related to image denoising, discrete tomography and defuzzi cation. The presented evaluation process shows improved performance of the proposed methods as compared to the state-of-the-art methods already proposed for the same tasks.</p> <p> Disertacija se bavi energo-minimizacionim postupcima u digitalnoj obradi slika. Posmatrani postupci su bazirani na minimizaciji funkcije energije koja je kombinacija kvadratnog člana koji reguliše odstupanje od polaznih podataka i člana za regularizaciju. Predloženi su poboljšani postupci u oblastima kao što su otkljanjanje šuma, diskretna tomogra ja i defazi kacija. Poboljšanja su postignuta kako u de niciji (dizajnu) modela tako i u procesu minimizacije. U prezentovanim eksperimentalnim rezultatima performanse predloženih postupaka upoređene su sa najčešće korišćenim postupcima za istu namenu i potvrđena je superiornost novih postupaka.</p> |
URI: | https://open.uns.ac.rs/handle/123456789/27661 |
Appears in Collections: | FTN Teze/Theses |
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